CN113446021A - Shield machine - Google Patents
Shield machine Download PDFInfo
- Publication number
- CN113446021A CN113446021A CN202110900123.0A CN202110900123A CN113446021A CN 113446021 A CN113446021 A CN 113446021A CN 202110900123 A CN202110900123 A CN 202110900123A CN 113446021 A CN113446021 A CN 113446021A
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- Prior art keywords
- heavy truck
- shield machine
- control
- shield
- hydraulic
- Prior art date
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Links
- 230000005641 tunneling Effects 0.000 claims abstract description 29
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 238000010276 construction Methods 0.000 description 12
- 230000003111 delayed effect Effects 0.000 description 3
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
- E21D9/0873—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines the shield being provided with devices for lining the tunnel, e.g. shuttering
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/40—Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/093—Control of the driving shield, e.g. of the hydraulic advancing cylinders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/124—Helical conveying means therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a shield machine which comprises a first heavy truck, a second heavy truck, a third heavy truck, a fourth heavy truck and a fifth heavy truck, wherein the first heavy truck is provided with a reaction frame and a host system, and the reaction frame is connected with the host system and can drive the host system to move; the second heavy truck is provided with a control system; a hydraulic system is arranged on the third heavy truck; an injection system is arranged on the fourth heavy truck; a power supply system is arranged on the fifth heavy truck; the power supply system can be electrically connected with the control system, the control system can be electrically connected with the hydraulic system and the injection system, and the control system can control the actions of the hydraulic system and the injection system. The shield machine provided by the invention occupies a small area, is convenient to produce, manufacture and assemble, does not need to be provided with a production and manufacturing workshop with complex functions, can start tunneling at any time, enhances the flexible maneuverability of the shield machine, and effectively reduces the processing and manufacturing cost and the assembling and debugging time.
Description
Technical Field
The invention relates to the technical field of tunnel construction control, in particular to a shield machine.
Background
In the current tunnel construction, the shield machine is gradually and widely applied due to the advantages of high automation degree, high construction safety degree, small pollution and the like. However, the conventional shield tunneling machine at home and abroad is a huge and complicated tunneling and lining complete equipment in terms of the whole machine length (host machine + rear matching system) and the whole machine weight, the whole machine length is hundreds of meters, the whole machine weight is hundreds of tons, and the manufacturing cost is thousands of RMB, and these factors finally cause that a series of work such as design, manufacture, assembly, debugging, originating, tunneling and the like of the shield tunneling machine are difficult to be smoothly completed in a short time, usually the whole tunnel is completed and needs a construction period requirement of at least more than one year, and the applicability and flexibility of the shield tunneling machine are limited to a certain extent.
For tunnel engineering with strict external conditions, such as a short construction period, difficult whole machine starting, strict cost control and the like, the shield machine in a conventional form is difficult to smoothly complete tasks, and for the situation, a shield machine with flexible maneuverability needs to be designed.
Disclosure of Invention
The invention aims to provide a shield machine which can be quickly manufactured and can start tunneling at any time.
In order to achieve the above object, the present invention provides a shield tunneling machine, comprising:
the system comprises a first heavy truck, a second heavy truck and a control system, wherein a reaction frame and a host system are arranged on the first heavy truck, and the reaction frame is connected with the host system and can drive the host system to move;
a second heavy truck having a control system thereon;
a third heavy truck having a hydraulic system thereon;
a fourth heavy truck having an injection system disposed thereon;
the fifth heavy truck is provided with a power supply system;
wherein the power supply system can be electrically connected with the control system, the control system can be electrically connected with the hydraulic system and the injection system, and the control system can control the actions of the hydraulic system and the injection system.
The shield machine as described above, wherein the shield machine further includes a material transportation system, and the material transportation system includes at least one self-driving type pipe transportation vehicle and at least one self-driving type muck transportation vehicle.
The shield tunneling machine as described above, wherein the host system includes a cutter head, a shield body, a main drive, an erector, and a screw conveyor.
The shield tunneling machine as described above, wherein the control system includes a control cabinet electrically connected to the hydraulic system and the injection system.
The shield machine as described above, wherein the control system further includes a main control room, and the main control room is electrically connected to the control cabinet and can control the operation of the control cabinet.
The shield machine as described above, wherein the hydraulic system includes a hydraulic pump station and a water circulation device, and the hydraulic pump station can be communicated with the water circulation device through a transformer.
The shield tunneling machine comprises a gravel pile pump and a gravel pile tank body, wherein the gravel pile pump can be communicated with the gravel pile tank body.
The shield tunneling machine as described above, wherein a grouting device and a lubricating device are further provided on the second heavy truck.
The shield tunneling machine according to the above, wherein the power supply system includes at least one generator.
The shield tunneling machine as described above, wherein a guide table support is detachably connected to the first heavy truck, and the host system is connected to the guide table support.
Compared with the prior art, the invention has the following advantages:
according to the shield machine, all the systems are respectively arranged on different heavy trucks in a parallel connection mode, so that the bad phenomenon that the whole design period is delayed due to problems in some links in the original manufacturing mode can be successfully avoided; the occupied area is small, the production, the manufacture and the assembly are convenient, a production and manufacture workshop with complex functions is not required to be configured, the tunneling can be started at any time, and the flexible maneuverability of the shield tunneling machine is enhanced; meanwhile, a rear matched main structure adopted in the prior art is eliminated, so that the processing and manufacturing cost and the assembling and debugging time are effectively reduced;
the shield machine, the self-driven pipe piece transport vehicle and the self-driven muck transport vehicle can realize free vehicle passing in the tunnel, and can meet the requirement of rapid construction.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural view of a shield tunneling machine of the present invention;
FIG. 2 is a schematic view of the structure of a first heavy truck;
FIG. 3 is a schematic view of the construction of a second heavy truck;
FIG. 4 is a schematic view of a third heavy truck;
FIG. 5 is a schematic illustration of a fourth truck;
FIG. 6 is a schematic view of a fifth heavy truck;
FIG. 7 is a schematic cross-sectional view of a first heavy truck;
FIG. 8 is a schematic view of the starting state of the shield tunneling machine;
FIG. 9 is a schematic diagram of the tunneling state of the shield tunneling machine;
fig. 10 is a schematic view of the operation of the material transport system.
The reference numbers illustrate:
101. a first heavy duty truck; 102. a cutter head; 103. main driving; 104. a shield body; 105. assembling machine;
106. a screw conveyor; 107. a reaction frame; 108. supporting the guide table; 109. a host system;
201. a second heavy duty truck; 202. a master control room; 203. a grouting device; 204. a lubricating device;
205. a control cabinet;
301. a third heavy truck; 302. a transformer; 303. a hydraulic pump station; 304. a water circulation device;
401. a fourth heavy truck; 402. a gravel pump; 403. a soybean gravel tank body;
501. a fifth heavy duty truck; 502. a generator;
601. a self-propelled pipe transportation vehicle; 602. self-propelled muck truck.
Detailed Description
In order to clearly understand the technical solution, the purpose and the effect of the present invention, a detailed description of the present invention will be described with reference to the accompanying drawings. Where the terms "first", "second", etc. are used for descriptive purposes only and not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the present invention provides a shield machine suitable for short-mileage, tight-construction, small-diameter tunnel construction, which includes a first heavy truck 101, a second heavy truck 201, a third heavy truck 301, a fourth heavy truck 401, and a fifth heavy truck 501, wherein:
as shown in fig. 2 and 7, a reaction frame 107 and a host system 109 are arranged on the first heavy truck 101, the reaction frame 107 is connected with the host system 109 and can drive the host system 109 to move, and specifically, the host system 109 can move forward under the combined action of a propulsion cylinder and the reaction frame 107 thereof so as to perform tunneling operation;
as shown in fig. 3, a control system is arranged on the second heavy truck 201, and the control system can control the relevant electrical components of the shield machine, so that the operation of the shield machine becomes simple and convenient;
as shown in fig. 4, a hydraulic system is arranged on the third heavy truck 301, and the hydraulic system can provide relevant hydraulic components for the shield machine and provide power for the hydraulic components;
as shown in fig. 5, an injection system is arranged on the fourth heavy truck 401, and the injection system can fill and fix a gap between a duct piece and an excavated hole wall;
as shown in fig. 6, a power supply system is arranged on the fifth heavy truck 501, and the power supply system can provide power for a control system and various electrical components of the shield machine;
the power supply system can be electrically connected with the control system, the control system can be electrically connected with the hydraulic system and the injection system, and the control system can control the actions of the hydraulic system and the injection system, namely the control system controls the running states of the hydraulic system and the injection system, such as opening or closing.
When the tunnel boring machine is used, as shown in fig. 7, 8 and 9, the first heavy truck 101 is moved to the tunnel section, when the pipeline of the shield machine related system is connected in place, the host system 109 can move forward to bore by using the thrust cylinder and the reaction frame 107 thereof, and at the moment, other heavy trucks and related equipment are located outside the tunnel.
According to the shield machine, all the systems are respectively arranged on different heavy trucks in a parallel connection mode, so that the bad phenomenon that the whole design period is delayed due to problems in some links in the original manufacturing mode can be successfully avoided; the occupied area is small, the production, the manufacture and the assembly are convenient, a production and manufacture workshop with complex functions is not required to be configured, the tunneling can be started at any time, and the flexible maneuverability of the shield tunneling machine is enhanced; meanwhile, a rear matching main structure adopted in the prior art is eliminated, and the processing and manufacturing cost and the assembling and debugging time are effectively reduced.
Further, as shown in fig. 2 and 7, a guide table support 108 is detachably connected to the first heavy truck 101, the host system 109 is connected to the guide table support 108, the guide table support 108 enables the host system 109 to be moved easily and conveniently, and specifically, a plurality of groups of guide table supports 108 may be connected to the first heavy truck 101 to facilitate installation of the components of the host system 109.
Further, as shown in fig. 10, the shield tunneling machine further includes a material transportation system, the material transportation system includes at least one self-driving type pipe transportation vehicle 601 and at least one self-driving type muck transportation vehicle 602, the number of the self-driving type pipe transportation vehicles 601 and the number of the self-driving type muck transportation vehicles 602 can be flexibly configured according to actual conditions, and the self-driving type pipe transportation vehicles 601 and the self-driving type muck transportation vehicles 602 can realize free vehicle-crossing in the tunnel to meet the requirement of rapid construction.
Further, as shown in fig. 2, the host system 109 includes a cutter head 102, a shield body 104, a main drive 103, an erector 105, and a screw conveyor 106, and the specific structures, connection manners, and use methods of the cutter head 102, the shield body 104, the main drive 103, the erector 105, and the screw conveyor 106 are all prior art, and are not described again, and the cutter head 102, the shield body 104, the main drive 103, the erector 105, and the screw conveyor 106 may be connected to the first heavy truck 101 through a guide support 108, or may be connected to the first heavy truck 101 through the guide support 108 after being combined arbitrarily (e.g., combining the cutter head 102 and the shield body 104, and combining the main drive 103 and the shield body 104).
Further, as shown in fig. 3, the control system includes a control cabinet 205, the control cabinet 205 is electrically connected to the hydraulic system and the injection system, specifically, the hydraulic system and the injection system are electrically connected to the control cabinet 205 through a quick-connect plug, when in operation, the control cabinet 205 sends a control instruction to the hydraulic system and the injection system, the hydraulic system and the injection system operate according to the control instruction, and a specific control manner of the control cabinet 205 is the prior art, which is not described herein again.
Still further, as shown in fig. 3, the control system further includes a main control room 202, the main control room 202 is electrically connected to the control cabinet 205 and can control the operation of the control cabinet 205, specifically, the main control room 202 is electrically connected to the control cabinet 205 through a shortcut plug, and the setting of the main control room 202 facilitates the operation of the worker in the current control.
Further, as shown in fig. 4, the hydraulic system includes a hydraulic pump station 303 and a water circulation device 304, the hydraulic pump station 303 can communicate with the water circulation device 304 through a transformer 302, and the hydraulic pump station 303 can provide power for the water circulation device 304 so that the water circulation device 304 can work normally.
Further, as shown in fig. 5, the injection system comprises a gravel-bean pump 402 and a gravel-bean tank 403, the gravel-bean pump 402 can be communicated with the gravel-bean tank 403, the gravel-bean pump 402 can pump out the gravel-bean pump 402 in the gravel-bean tank 403, so that the gap filling operation becomes simple and convenient, wherein a plurality of gravel-bean tanks 403 can be arranged according to the actual use requirement, so as to realize rapid tunneling, and when the demand of gravel-bean is large, a plurality of fourth heavy trucks 401 can be additionally arranged.
Still further, as shown in fig. 3, a grouting device 203 and a lubricating device 204 are further arranged on the second heavy truck 201, and the grouting device 203 can be matched with a filling system to perform gap filling operation, so as to further realize rapid tunneling construction.
Further, as shown in fig. 6, the power supply system includes at least one generator 502, the generator 502 can provide power for the shield machine, the number of the generators 502 can be set according to actual use requirements, and when the demand is large, a plurality of fifth heavy trucks 501 can also be additionally set.
In conclusion, the shield machine provided by the invention has the advantages that the systems are respectively arranged on different heavy trucks in parallel, so that the bad phenomenon that the whole design period is delayed due to problems in some links in the original manufacturing mode can be successfully avoided; the occupied area is small, the production, the manufacture and the assembly are convenient, a production and manufacture workshop with complex functions is not required to be configured, the tunneling can be started at any time, and the flexible maneuverability of the shield tunneling machine is enhanced; meanwhile, a rear matched main structure adopted in the prior art is eliminated, so that the processing and manufacturing cost and the assembling and debugging time are effectively reduced;
the shield machine, the self-driven pipe piece transport vehicle and the self-driven muck transport vehicle can realize free vehicle passing in the tunnel, and can meet the requirement of rapid construction.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention. It should be noted that the components of the present invention are not limited to the above-mentioned whole application, and various technical features described in the present specification can be selected to be used alone or in combination according to actual needs, so that the present invention naturally covers other combinations and specific applications related to the invention.
Claims (10)
1. A shield tunneling machine, comprising:
the system comprises a first heavy truck, a second heavy truck and a control system, wherein a reaction frame and a host system are arranged on the first heavy truck, and the reaction frame is connected with the host system and can drive the host system to move;
a second heavy truck having a control system thereon;
a third heavy truck having a hydraulic system thereon;
a fourth heavy truck having an injection system disposed thereon;
the fifth heavy truck is provided with a power supply system;
wherein the power supply system can be electrically connected with the control system, the control system can be electrically connected with the hydraulic system and the injection system, and the control system can control the actions of the hydraulic system and the injection system.
2. The shield machine of claim 1,
the shield machine further comprises a material transportation system, and the material transportation system comprises at least one self-driving type pipe piece transport vehicle and at least one self-driving type muck transport vehicle.
3. The shield machine of claim 1,
the host system comprises a cutter head, a shield body, a main drive, an assembling machine and a spiral conveyor.
4. The shield machine of claim 1,
the control system comprises a control cabinet which is electrically connected with the hydraulic system and the injection system.
5. The shield machine of claim 4,
the control system also comprises a main control room which is electrically connected with the control cabinet and can control the action of the control cabinet.
6. The shield machine of claim 1,
the hydraulic system comprises a hydraulic pump station and a water circulating device, and the hydraulic pump station can be communicated with the water circulating device through a transformer.
7. The shield machine of claim 1,
the injection system comprises a pea gravel pump and a pea gravel tank body, and the pea gravel pump can be communicated with the pea gravel tank body.
8. The shield machine of claim 7,
and the second heavy truck is also provided with a grouting device and a lubricating device.
9. The shield machine of claim 1,
the power supply system includes at least one generator.
10. The shield machine according to any one of claims 1 to 9,
the detachable connection of the first heavy truck is connected with a guide table support, and the host system is connected to the guide table support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900123.0A CN113446021B (en) | 2021-08-06 | 2021-08-06 | Shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110900123.0A CN113446021B (en) | 2021-08-06 | 2021-08-06 | Shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113446021A true CN113446021A (en) | 2021-09-28 |
| CN113446021B CN113446021B (en) | 2022-03-04 |
Family
ID=77818255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110900123.0A Active CN113446021B (en) | 2021-08-06 | 2021-08-06 | Shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113446021B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262899A (en) * | 1990-03-13 | 1991-11-22 | Fujita Corp | Belt conveyor provision structure at shield work process |
| JPH03295999A (en) * | 1990-04-13 | 1991-12-26 | Nishimatsu Constr Co Ltd | Executing device for tunnel timbering |
| JPH0525994A (en) * | 1991-07-22 | 1993-02-02 | Fujita Corp | Automatic controller for prelining machine |
| CN102162361A (en) * | 2010-11-26 | 2011-08-24 | 兰海宽 | Mechanically-driven hard-rock double-head tunneling machine |
| CN103233746A (en) * | 2013-03-12 | 2013-08-07 | 双鸭山中创机械制造有限公司 | Multifunctional underground roadway tunneling locomotive |
| KR20130131819A (en) * | 2012-05-24 | 2013-12-04 | 한국건설기술연구원 | Constructing method for tunnel using mobile mixer having hopper for supplying steel fiber |
| WO2014206587A2 (en) * | 2013-06-27 | 2014-12-31 | Sandvik Mining And Construction Oy | Arrangement for controlling automated operation mode |
| CN107218048A (en) * | 2017-07-27 | 2017-09-29 | 中铁工程装备集团有限公司 | The shape of a hoof development machine promoted by crawler belt |
| CN209244588U (en) * | 2018-11-02 | 2019-08-13 | 中铁工程装备集团有限公司 | Pipe sheet assembling vehicle |
| US20210062639A1 (en) * | 2019-09-03 | 2021-03-04 | Halliburton Energy Services, Inc. | Pulsed power sculpting methods |
-
2021
- 2021-08-06 CN CN202110900123.0A patent/CN113446021B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03262899A (en) * | 1990-03-13 | 1991-11-22 | Fujita Corp | Belt conveyor provision structure at shield work process |
| JPH03295999A (en) * | 1990-04-13 | 1991-12-26 | Nishimatsu Constr Co Ltd | Executing device for tunnel timbering |
| JPH0525994A (en) * | 1991-07-22 | 1993-02-02 | Fujita Corp | Automatic controller for prelining machine |
| CN102162361A (en) * | 2010-11-26 | 2011-08-24 | 兰海宽 | Mechanically-driven hard-rock double-head tunneling machine |
| KR20130131819A (en) * | 2012-05-24 | 2013-12-04 | 한국건설기술연구원 | Constructing method for tunnel using mobile mixer having hopper for supplying steel fiber |
| CN103233746A (en) * | 2013-03-12 | 2013-08-07 | 双鸭山中创机械制造有限公司 | Multifunctional underground roadway tunneling locomotive |
| WO2014206587A2 (en) * | 2013-06-27 | 2014-12-31 | Sandvik Mining And Construction Oy | Arrangement for controlling automated operation mode |
| CN107218048A (en) * | 2017-07-27 | 2017-09-29 | 中铁工程装备集团有限公司 | The shape of a hoof development machine promoted by crawler belt |
| CN209244588U (en) * | 2018-11-02 | 2019-08-13 | 中铁工程装备集团有限公司 | Pipe sheet assembling vehicle |
| US20210062639A1 (en) * | 2019-09-03 | 2021-03-04 | Halliburton Energy Services, Inc. | Pulsed power sculpting methods |
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| Publication number | Publication date |
|---|---|
| CN113446021B (en) | 2022-03-04 |
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